55% Cotton 45% Polyester Zipper closure Super stretch, quick-dry, lightweight, comfortable, good fit and durable Two Side Pockets -can store personal small things safely when doing sports Knitted collar, cuffs and waistband with stripe details, give more flexibility, freedom of movement. This running warm jacket is prefect for workout in gym or outdoor, also just a casual wear at home. Machine washable or hand wash in cold water